Main
Mark Druffel Portland, OR
Data scientist with over a decade of experience working at all levels of organizations. I love using data visualization to tell stories, ggplot2 is my happy place.
Experience
Lead Data Scientist
84.51°
Remote
2022
Lead data scientist on the personalization and loyalty team where we develop and manage analytics capabilities that enable the business to execute and measure marketing campaigns across Kroger’s business.
- Develop and maintain data pipelines to support new modeling and dashboards
- Develop and maintain models to enable A/B testing marketing campaigns
- Manage stakeholders across various departments including tech, marketing, and data science
Senior Data Analyst
DocStation
Remote
2021
Founding member and first analytics hire for a seed funded start-up.
- Expanded the data warehouse by developing data models in the pipeline with SQL, pyspark, and Airflow
- Designed and developed dashboards that were used by business operations using Apache Superset and R Shiny
- Led analysis projects that improved task targeting, sales, and user retention
Data & Analytics Consultant
Propeller
Portland, OR
2017
Worked with clients to develop strategies and road maps and execute projects.
- Created a feedback loop between a product team and their end-users by developing a text analysis and NLP pipeline, which automatically identified user pain points
- Designed a prototype app that enabled an HR team to transition to a data-driven recruitment process, improving velocity and candidate quality
- Developed and facilitated an analytics workshops
- Developed internal analytics infrastructure to streamline Propeller’s operations including API wrappers, a data pipeline, and automated reporting
Business Intelligence Manager
Northern Trust, Hedge Fund Services
Chicago, IL
2013
Managed a global team that directly served business partners and end users.
- Trained new analysts by teaching SQL, Tableau, R, Python, etc. to improve the teams’ capabilities and support members’ career goals
- Designed and developed an analytics pipeline that identified bottlenecks, forecasted server demand, etc. to measure and manage tech debt
- Developed dashboards and reporting using Tableau and eGlue (homegrown)
- Managed tech services on behalf of the business including access management, data transfer, and data quality assurance
Senior Consultant
Plante Moran
Chicago, IL
2011
Managed IT audits and risk assessments for clients in various industries
Staff Auditor
Fifth Third Bank
Cincinnati, OH
2010
Executed financial audits, IT audits, and risk assessments